LG SV-iC5 Series Instruction Manual page 94

10. Advanced functions
Example
Rated frequency = 60Hz
Rated RPM = 1740rpm
Number of motor poles= 4
=
f 60
s
10.6 Slip compensation
Group LED Display
Function
H30
group 2
H31
H32
H33
H34
H36
H37
H40
Set H40 – [Control mode select] to 1 {Slip compensation}.
This function enables the motor to run in constant speed by compensating inherent slip in an induction motor.
If motor shaft speed decreases significantly under heavy loads then this value should be increased.
H30 : Set the motor type connected to the inverter.
H31 : Enter the pole number on the Motor nameplate.
×
 
1740 4
− =
 
2 Hz
 
120
Dwell freq.
Start freq.
Frequency
Run
command
Parameter Name
[Motor type select]
[Number of motor poles]
[Rated slip frequency]
[Motor rated current]
[Motor No Load Current]
[Motor efficiency]
[Load inertia rate]
[Control mode select]
H30 [Motor type select]
Dwell time
Set Min/Max
value Range
- 0.2/2.2
-
-
-
-
- 50/100
-
1
0.2 0.2kW
0.4 0.4kW
0.75 0.75kW
1.5 1.5kW
2.2 2.2kW
10-6
Factory
Defaults
-
2/12 4
0/10 -
1.0/12
-
0.1/12 -
-
0/2 0
0/3 0
SV-iC5
Unit
Hz
A
A
%